Joe Bloggs
Quiz by , created more than 1 year ago

A-Level Airbus Tech Quiz on 1. Aircon/Press/Vent., created by Joe Bloggs on 16/09/2018.

53
1
0
Joe Bloggs
Created by Joe Bloggs almost 6 years ago
Close

1. Aircon/Press/Vent.

Question 1 of 55

1

Hot air fault light illuminates on the air conditioning panel;

Select one of the following:

  • The hot air press. reg. valve opens and the trim air valves close

  • The hot air press. reg. valve closes and the trim air valves open

  • The hot air press. reg. valve closes and the trim air valves close

  • The hot air press. reg. valve opens and the trim air valves open.

Explanation

Question 2 of 55

1

In case of zone controller primary and secondary channel failure, what temperatures are maintained by pack one and pack two

Select one of the following:

  • 15 deg.c. both.

  • 25 deg.c. both.

  • 20 deg.c. pack 1, 10 deg.c. pack 2.

  • 24 deg.c. pack 1, 15 deg.c. pack 2.

Explanation

Question 3 of 55

1

In normal flight in closed circuit configuration, the avionics ventilation system controls the temperature of the cooling air by

Select one of the following:

  • Adding air-conditioned air to the flow

  • Extracting air overboard.

  • Adding avionics bay air.

  • Passing air through a skin heat exchanger.

Explanation

Question 4 of 55

1

To enable Ram air to the mixer unit, the Ram air switch should be used

Select one of the following:

  • At any time

  • Only when diff. press. is less than 1 psi

  • When press. is greater than 1 psi. diff

  • Only after outflow valve is fully opened

Explanation

Question 5 of 55

1

Pack controller, primary channel failure

Select one of the following:

  • The secondary computer operates as a back up mode and regulation is not
    optimised

  • The secondary computer takes over (all functions as normal)

  • Pack is lost

  • Pack outlet temp. is controlled at 15 deg.c.

Explanation

Question 6 of 55

1

Pack controller, secondary channel failure

Select one of the following:

  • No effect on pack regulation back up mode is lost

  • Pack is lost

  • No effect (all modes still available)

  • Pack outlet temp. is controlled at 15 deg.c

Explanation

Question 7 of 55

1

Pack controller, primary and secondary channel failure

Select one of the following:

  • Pack outlet temp. is controlled at 5°C to 30°C in a maximum of 6 minutes by the ant-ice valve

  • The pack is closed

  • The packs deliver a fixed temperature of 20 deg.c

  • Both packs are controlled to 24 deg.c

Explanation

Question 8 of 55

1

Hot air press. reg. valve failed open

Select one of the following:

  • Optimised regulation is lost

  • The temperature stays at the value selected when the failure occurred.

  • No effect

  • Cabin temperature will be controlled at the upper limit 30 deg.c.

Explanation

Question 9 of 55

1

Bleed air supplied from the APU (apu bleed valve open), the pack flow is automatically selected

Select one of the following:

  • High

  • Normal

  • Low

  • Econ. flow

Explanation

Question 10 of 55

1

Trim air valve, each one optimizes the temperature by

Select one of the following:

  • Adding hot air

  • Adding fresh air

  • Modulation of pack flow

  • Adding recirculated air

Explanation

Question 11 of 55

1

Hot air pressure regulating valve

Select one of the following:

  • Regulates the pressure of hot air tapped upstream of the packs

  • Is spring loaded open in the absence of air

  • Opens automatically in case of duct overheat

  • Opens automatically if the cockpit trim air valve fails

Explanation

Question 12 of 55

1

Pack flow control valve

Select one of the following:

  • Is pneumatically operated and electrically controlled

  • Electrically operated and pneumatically controlled

  • Opens automatically during engine starting

  • Is spring loaded to open

Explanation

Question 13 of 55

1

The temperature selectors are located in

Select one of the following:

  • The cockpit

  • The Cabin

  • The avionics bay

  • Only on the CIDS panel at the fwd. attendant station

Explanation

Question 14 of 55

1

Pack flow may be selected from

Select one of the following:

  • The cockpit

  • The cabin

  • The avionics bay

  • Only the CIDS panel at the fwd. attendant station

Explanation

Question 15 of 55

1

Engine pressure demand, when the cooling demand in one zone cannot be satisfied, if bleed pressure is low

Select one of the following:

  • The minimum idle must be increased manually

  • The minimum idle is increased automatically

  • In any case, flight idle is sufficient

  • The APU must be used to supply additional air

Explanation

Question 16 of 55

1

What is the Norm. Max. cabin altitude

Select one of the following:

  • 8,000 ft.

  • 9,550 +/- 350 ft.

  • 14,000 ft.

  • 800 ft.

Explanation

Question 17 of 55

1

What is the Max. negative Diff. pressure for the cabin

Select one of the following:

  • 0 psi

  • -1 psi

  • -2 psi

  • -8.6 psi

Explanation

Question 18 of 55

1

Is it permissible to use simultaneously packs and Lp ground unit during long stops in a hot airfield

Select one of the following:

  • Yes

  • No

  • Yes, if external temperature is greater than 50 deg.c.

  • Yes, provided the airflow supplied by the ground cart is less than 1.2 kg/s.

Explanation

Question 19 of 55

1

Trim air valves are modulated by

Select one of the following:

  • The zone controller

  • Anti-ice valve

  • Hot air pressure regulating valve

  • The pack controller

Explanation

Question 20 of 55

1

The mixing unit is connected to

Select one of the following:

  • Packs, Cabin air, emergency ram air inlet and Lp ground connector

  • Packs, emergency ram air inlet and Lp ground connector.

  • Packs and cabin air

  • Pack 1 and pack 2 only

Explanation

Question 21 of 55

1

Once set to ‘ON’ the air conditioning packs operate

Select one of the following:

  • Automatically and independently of each other

  • Normally, but the output of one affects the other

  • Automatically, pack one as a master, pack two as a slave

  • Automatically, pack two as a master, pack one as a slave.

Explanation

Question 22 of 55

1

Emergency ram air inlet, when set to ‘ON’ the ram air valve will open and supply airflow

Select one of the following:

  • In any case

  • Diff. press. < 1 psi. and ditching not selected

  • Provided ditching is not selected

  • Provided ditching is selected.

Explanation

Question 23 of 55

1

Zone controller fault (primary channel failure)

Select one of the following:

  • Cabin zone at fixed temp

  • Packs at fixed temp

  • Secondary channel operates as back up and operation is as normal

  • The packs deliver a fixed temperature, 20 deg.c. pack 1 and 10 deg.c.pack 2

Explanation

Question 24 of 55

1

Conditioned air is distributed to

Select one of the following:

  • Cockpit, cargo bays and cabin

  • Cockpit, fwd. and aft. cabins

  • Cockpit, avionics bay and cabin

  • Cockpit, cabin and holds 1 & 2 only

Explanation

Question 25 of 55

1

The cabin zone temperature sensors are ventilated by

Select one of the following:

  • Air extracted by the lavatory and galley fans

  • Air extracted from the avionics bay

  • Temperature sensors are ventilated by ram air

  • Temperature sensors are ventilated by discharge air to the outflow valve

Explanation

Question 26 of 55

1

Temperature control is automatic and is regulated by

Select one of the following:

  • Zone controllers only

  • Pack 1 and 2 controllers only

  • Both the zone and pack 1 & 2 controllers

  • The pack flow control valves only

Explanation

Question 27 of 55

1

If a pack controller fails, (primary and secondary channel failure), the pack outlet air temperature is controlled by

Select one of the following:

  • Ram Air Valve

  • Hot Air Pressure Regulating Valve

  • Anti Ice Valve

  • Trim air valve

Explanation

Question 28 of 55

1

The Zone Controller optimizes temperature by action on

Select one of the following:

  • Pack anti ice valve

  • Trim Air valve

  • Pack Flow control valve

  • Hot air pressure regulating valve.

Explanation

Question 29 of 55

1

When the pack flow control knob is positioned to HI, airflow is

Select one of the following:

  • 80 % of normal

  • 150 % of normal

  • 120 % of normal

  • 102 % of normal

Explanation

Question 30 of 55

1

When using APU bleed to supply the packs, with the pack flow selector at Lo, the pack airflow is

Select one of the following:

  • 80 % of normal

  • Normal

  • 120% of normal

  • 102% of normal

Explanation

Question 31 of 55

1

The pack flow control valve closes automatically in case of

Select one of the following:

  • A) Pack overheat, engine starting, or operation of the fire or ditching push button

  • B) Bleed valve failure, pack outlet pressure increase

  • Both (a) and (b)

  • Trim air valve failure

Explanation

Question 32 of 55

1

In case of trim air system fault (zone controller primary channel failure),the secondary channel of the zone controller regulates the zone temperature at

Select one of the following:

  • 14 deg.c

  • 24 deg.c

  • 15 deg.c

  • 10 deg.c.

Explanation

Question 33 of 55

1

In case of total zone controller failure

Select one of the following:

  • Hot air and trim air valves open and packs deliver air at a fixed temperature;
    15 deg.c. pack 1 , 10 deg.c.pack 2

  • Hot air and trim air valves close and packs deliver air at a fixed temperature;
    15 deg.c. pack 1, 10 deg.c.pack 2

  • Hot air and trim air valves close and packs deliver air at a fixed temperature;
    20 deg.c. pack 1 , 10 deg.c. pack 2

  • Hot air and trim air valves open and packs deliver air at a fixed temperature;
    20 deg.c. pack 1 , 10 deg.c. pack 2.

Explanation

Question 34 of 55

1

During landing run ram air inlet flaps open when speed is less than

Select one of the following:

  • 77 kts. (after 30 sec. delay)

  • 70 kts. (after 3 mins )

  • 70 kts. (after 20 sec. delay).

  • 140 kts. (after 20 sec. delay).

Explanation

Question 35 of 55

1

When the APU is supplying the packs, the pack controller sends a demand signal to increase airflow when a zone temperature cannot be satisfied;

Select one of the following:

  • To the pack ram air inlet flap

  • To the APU ECB

  • To the pack flow control valve

  • To the engine interface units EIUs.

Explanation

Question 36 of 55

1

The ditching switch when selected

Select one of the following:

  • The outflow valve closes when in MAN mode

  • Ram air inlet and ventilation extract valves open

  • The emergency ram air inlet opens

  • Outflow valve, ram air inlet & ventilation extract valves, & the pack flow control valves close

Explanation

Question 37 of 55

1

In flight with pressure controller 1 in use, if it fails

Select one of the following:

  • You have to use the manual control

  • Transfers automatically to controller 2

  • You have to select manually controller 2

  • You have to set the landing elevation

Explanation

Question 38 of 55

1

In normal operation, pressurisation is

Select one of the following:

  • Fully automatic

  • Manually controlled

  • Automatic, but landing elevation must be manually set

  • Remaining automatic only when CPC 1 is in use

Explanation

Question 39 of 55

1

The outflow valve is powered by

Select one of the following:

  • One of two electric motors

  • One of three electric motors

  • Three mechanically linked electric motors

  • One of three pneumatic actuators

Explanation

Question 40 of 55

1

During ground function operation, the outflow valve is

Select one of the following:

  • Fully open

  • Fully closed

  • Positioned according to FMGS demands

  • Operating in abort mode

Explanation

Question 41 of 55

1

To see the position of the outflow valve, it is necessary to call ECAM ;

Select one of the following:

  • Cond. page

  • Bleed page

  • Press. page

  • Vent page

Explanation

Question 42 of 55

1

Two identical, independent, automatic digital pressurisation controllers are used for system control

Select one of the following:

  • One controller active, one in standby

  • Both controllers monitored by FMGC

  • No controller for climb phase and No. 2 controller in cruise and descent

  • No. 1 controller for climb and No. 2 for descent.

Explanation

Question 43 of 55

1

Which controller position generates excess cabin altitude and pressure signals for ECAM indication in manual mode

Select one of the following:

  • Both

  • No. 1

  • No. 2

  • Neither

Explanation

Question 44 of 55

1

When ram air Pb set to ON, (& ditching not selected), the outflow valve will open when

Select one of the following:

  • Diff. press. >1.5 psi

  • Diff. press. < 3 psi

  • Diff. press. < 1 psi

  • Diff. press. > 1 psi.

Explanation

Question 45 of 55

1

The purpose of the safety valves is to avoid

Select one of the following:

  • Opening cabin doors whilst still pressurised

  • Rain entering avionics bay

  • Excessive positive pressure differential, and excessive negative differential

  • Landing with the aircraft pressurised

Explanation

Question 46 of 55

1

The safety valves are operated

Select one of the following:

  • Electrically

  • Hydraulically

  • Pneumatically

  • By the FMGC

Explanation

Question 47 of 55

1

When landing elevation is set to auto, the landing elevation is sent to the controller from

Select one of the following:

  • FMGS

  • FCU

  • ADIRS

  • F/O baro ref.

Explanation

Question 48 of 55

1

When mode sel. is set to manual, the outflow valve is controlled by signals sent via controller 1 or 2

Select one of the following:

  • True

  • False

  • Controllers 1 and 2

  • Only controller 2

Explanation

Question 49 of 55

1

On ECAM Cab press. page, the outflow valve indicator changes to amber if

Select one of the following:

  • It is fully closed

  • It is fully open in flight

  • It is fully open on the ground

  • It is not fully open on the ground.

Explanation

Question 50 of 55

1

On ECAM Cab. press. page, the safety valve indication changes to amber if:

Select one of the following:

  • Both safety valves are fully open

  • One safety valve is open

  • Both safety valves are fully closed

  • Both safety valves do not open

Explanation

Question 51 of 55

1

On ECAM cab. press. page, the cabin altitude indication changes to red when cabin altitude is

Select one of the following:

  • > 14,000 ft

  • > 8,500 ft

  • > 9,550 ft

  • > 8,800 ft

Explanation

Question 52 of 55

1

Following a system 1 fault

Select one of the following:

  • Master caution is activated and the crew must take ECAM actions

  • System 2 must be selected by the crew

  • System 2 takes over automatically without any crew action

  • The crew must manually operate the system.

Explanation

Question 53 of 55

1

Cabin pressurisation starts at

Select one of the following:

  • Engine start

  • Take off power selection. (prepressurisation)

  • Lift off

  • Selection of climb power

Explanation

Question 54 of 55

1

The pressure safety valve opens at

Select one of the following:

  • 8.06 psi

  • 8.6 psi

  • 9.0 psi

  • 7.6 psi

Explanation

Question 55 of 55

1

In fully automatic mode, cabin pressurisation is optimised by using information from

Select one of the following:

  • FMGC, landing field elevation & destination QNH, ADIRS static press. baro.
    correction and EIU thrust lever angle info.

  • Actual cruise level and selected landing elevation

  • Selected cabin altitude

  • Selected landing elevation

Explanation

Previous
Check answer
Next